4040664042 has 16 divisors (see below), whose sum is σ = 8083785600. Its totient is φ = 1346478432.

The previous prime is 4040664041. The next prime is 4040664049. The reversal of 4040664042 is 2404660404.

It is not an unprimeable number, because it can be changed into a prime (4040664041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80667 + ... + 120782.

It is an arithmetic number, because the mean of its divisors is an integer number (505236600).

Almost surely, 2^4040664042 is an apocalyptic number.

4040664042 is an abundant number, since it is smaller than the sum of its proper divisors (4043121558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040664042 is a wasteful number, since it uses less digits than its factorization.

4040664042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204797.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 4040664042 is about 63566.2177732795. The cubic root of 4040664042 is about 1592.7621045503.

The spelling of 4040664042 in words is "four billion, forty million, six hundred sixty-four thousand, forty-two".